70314320 has 20 divisors (see below), whose sum is σ = 163480980. Its totient is φ = 28125696.

The previous prime is 70314271. The next prime is 70314323. The reversal of 70314320 is 2341307.

It can be written as a sum of positive squares in 2 ways, for example, as 47004736 + 23309584 = 6856^2 + 4828^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 70314292 and 70314301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70314323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439385 + ... + 439544.

It is an arithmetic number, because the mean of its divisors is an integer number (8174049).

Almost surely, 2^70314320 is an apocalyptic number.

It is an amenable number.

70314320 is an abundant number, since it is smaller than the sum of its proper divisors (93166660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70314320 is a wasteful number, since it uses less digits than its factorization.

70314320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878942 (or 878936 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 70314320 is about 8385.3634387545. The cubic root of 70314320 is about 412.7444672708.

Adding to 70314320 its reverse (2341307), we get a palindrome (72655627).

The spelling of 70314320 in words is "seventy million, three hundred fourteen thousand, three hundred twenty".